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https://www.readbyqxmd.com/read/28449421/-the-role-of-micrornas-in-colorectal-cancer
#1
REVIEW
Sang Wook Kim
Colorectal cancer (CRC) is one of the leading causes of cancer related deaths in the world. Many oncogenes and tumor suppressor genes are involved in the development of CRC. MicroRNAs (miRNAs) are a class of small, non-coding, endogenous RNAs in animals and plants. Recent studies have shown that miRNAs are associated with the mediation process of tumorigenesis, including inflammation, cell cycle, stress response, differentiation, apoptosis, migration, and invasion in cancer. These miRNAs have been linked to the development of CRC and recently studied as new potential biomarkers in the diagnosis and treatment for CRC...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28448991/participation-of-antidiuretic-hormone-adh-in-asthma-exacerbations-induced-by-psychological-stress-via-pka-pkc-signal-pathway-in-airway-related-vagal-preganglionic-neurons-avpns
#2
Lili Hou, Lei Zhu, Min Zhang, Xingyi Zhang, Guoqing Zhang, Zhenwei Liu, Qiang Li, Xin Zhou
AIMS: Present study was performed to examine whether ADH was implicated in psychological stress asthma and to explore the underlying molecular mechanism. METHODS: We not only examined ADH levels in the cerebrospinal fluid (CSF) via radioimmunoassay, but also measured ADH receptor (ADHR) expression in airway-related vagal preganglionic neurons (AVPNs) through real-time PCR in all experimental mice. Western blotting was performed to evaluate the relationship between ADH and PKA/PKC in psychological stress asthma...
April 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28448962/progressive-changes-in-non-coding-rna-profile-in-leucocytes-with-age
#3
Maider Muñoz-Culla, Haritz Irizar, Ana Gorostidi, Ainhoa Alberro, Iñaki Osorio-Querejeta, Javier Ruiz-Martínez, Javier Olascoaga, Adolfo López de Munain, David Otaegui
It has been observed that immune cell deterioration occurs in the elderly, as well as a chronic low-grade inflammation called inflammaging. These cellular changes must be driven by numerous changes in gene expression and in fact, both protein-coding and non-coding RNA expression alterations have been observed in peripheral blood mononuclear cells from elder people. In the present work we have studied the expression of small non-coding RNA (microRNA and small nucleolar RNA -snoRNA-) from healthy individuals from 24 to 79 years old...
April 27, 2017: Aging
https://www.readbyqxmd.com/read/28448865/glycolipids-from-spinach-suppress-lps-induced-vascular-inflammation-through-enos-and-nk-%C3%AE%C2%BAb-signaling
#4
Masakazu Ishii, Tatsuo Nakahara, Daisuke Araho, Juri Murakami, Masahiro Nishimura
Glycolipids are the major constituent of the thylakoid membrane of higher plants and have a variety of biological and pharmacological activities. However, anti-inflammatory effects of glycolipids on vascular endothelial cells have not been elucidated. Here, we investigated the effect of glycolipids extracted from spinach on lipopolysaccharides (LPS)-induced endothelial inflammation and evaluated the underlying molecular mechanisms. Treatment with glycolipids from spinach had no cytotoxic effects on cultured human umbilical vein endothelial cells (HUVECs) and significantly blocked the expression of LPS-induced interleukin (IL)-6, monocyte chemoattractant protein-1 (MCP-1), vascular cell adhesion molecule-1 (VCAM-1), and intracellular adhesion molecule-1 (ICAM-1) in them...
April 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28447569/a-new-treatment-strategy-for-parkinson-s-disease-through-the-gut-brain-axis-the-glucagon-like-peptide-1-receptor-pathway
#5
Dong Seok Kim, Ho-Il Choi, Yun Wang, Yu Luo, Barry J Hoffer, Nigel H Greig
Molecular communications in the gut-brain axis, between the central nervous system and the gastrointestinal tract, arecritical for maintaining healthy brain function particularly in aging. Epidemiological analyses indicate type 2 diabetes mellitus (T2DM) is a risk factor for neurodegenerative disorders, including Alzheimer's disease (AD) and Parkinson's diseases (PD) for which aging shows a major correlative association. Common pathophysiological features exist between T2DM, AD and PD, including oxidative stress, inflammation, insulin resistance, abnormal protein processing and cognitive decline, and suggest that effective drugs for T2DM that positively impact the gut-brain axis could provide an effective treatment option for neurodegenerative diseases...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28447436/role-of-no-vasp-signaling-pathway-against-obesity-related-inflammation-and-insulin-resistance
#6
REVIEW
Yu Mi Kang, Francis Kim, Woo Je Lee
Obesity has quickly become a worldwide pandemic, causing major adverse health outcomes such as dyslipidemia, type 2 diabetes mellitus, cardiovascular disease and cancers. Obesity-induced insulin resistance is the key for developing these metabolic disorders, and investigation to understand the molecular mechanisms involved has been vibrant for the past few decades. Of these, low-grade chronic inflammation is suggested as a critical concept in the development of obesity-induced insulin resistance, and the anti-inflammatory effect of nitric oxide (NO) signaling has been reported to be linked to improvement of insulin resistance in multiple organs involved in glucose metabolism...
April 2017: Diabetes & Metabolism Journal
https://www.readbyqxmd.com/read/28447053/deciphering-the-pathophysiology-of-irritable-bowel-syndrome-and-functional-gastrointestinal-disorders-an-alternative-model-for-pathogenesis-cytokine-controlled-transepithelial-multi-feedback-loop
#7
REVIEW
Ricky McCullough, Jeremiah McCullough
A working theoretical model for irritable bowel syndrome (IBS) and other functional gastrointestinal disorders (FGIDs) does not exist, hampered by the lack of any clear cut invention that address all symptom and signs of the disease. Reports of cessation of symptom and signs of both major types of IBS have been published using a non-systemic, topically active agent-high potency polymerized cross-linked sucralfate (HPPCLS). The unique clinical effect of this non-systemic agent restricted to the luminal surface of the gut provides opportunity to elaborate on an alternative working model for the pathogenesis of IBS and FGIDs...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28446773/therapeutic-effects-of-anti-hmgb1-monoclonal-antibody-on-pilocarpine-induced-status-epilepticus-in-mice
#8
Li Fu, Keyue Liu, Hidenori Wake, Kiyoshi Teshigawara, Tadashi Yoshino, Hideo Takahashi, Shuji Mori, Masahiro Nishibori
Inflammatory processes in brain tissue have been described in human epilepsy of various etiologies and in experimental models of seizures. High mobility group box-1 (HMGB1) is now recognized as representative of damage-associated molecular patterns (DAMPs). In the present study, we focused on whether anti-HMGB1 antibody treatment could relieve status epilepticus- triggered BBB breakdown and inflammation response in addition to the seizure behavior itself. Pilocarpine and methyl-scopolamine were used to establish the acute seizure model...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446731/the-antigenic-identity-of-human-class-i-mhc-phosphopeptides-is-critically-dependent-upon-phosphorylation-status
#9
Fiyaz Mohammed, Daniel H Stones, Angela L Zarling, Carrie R Willcox, Jeffrey Shabanowitz, Kara L Cummings, Donald F Hunt, Mark Cobbold, Victor H Engelhard, Benjamin E Willcox
Dysregulated post-translational modification provides a source of altered self-antigens that can stimulate immune responses in autoimmunity, inflammation, and cancer. In recent years, phosphorylated peptides have emerged as a group of tumour-associated antigens presented by MHC molecules and recognised by T cells, and represent promising candidates for cancer immunotherapy. However, the impact of phosphorylation on the antigenic identity of phosphopeptide epitopes is unclear. Here we examined this by determining structures of MHC-bound phosphopeptides bearing canonical position 4-phosphorylations in the presence and absence of their phosphate moiety, and examining phosphopeptide recognition by the T cell receptor (TCR)...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28446249/adipose-derived-mesenchymal-stem-cells-modulate-cd14-cd16-expression-on-monocytes-from-sepsis-patients-in-vitro-via-prostaglandin-e2
#10
Guanguan Qiu, Guoping Zheng, Menghua Ge, Lanfang Huang, Haijiang Tong, Ping Chen, Dengming Lai, Yaoqin Hu, Baoli Cheng, Qiang Shu, Jianguo Xu
BACKGROUND: Mesenchymal stem cells (MSCs) have been shown to reduce sepsis-induced inflammation and improve survival in mouse models of sepsis. CD16(+) monocytes are proinflammatory and abundant in inflammatory conditions such as sepsis. The primary objective in this exploratory study was to determine the effects of adipose-derived MSCs (ASCs) on three subsets of monocytes from sepsis patients in vitro and to delineate the underlying mechanism. METHODS: This is a prospective cohort study of patients admitted to the medical intensive care unit (ICU) at an academic medical center...
April 26, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28446152/differential-host-gene-responses-from-infection-with-neurovirulent-and-partially-neurovirulent-strains-of-venezuelan-equine-encephalitis-virus
#11
Paridhi Gupta, Anuj Sharma, Jing Han, Amy Yang, Manish Bhomia, Barbara Knollmann-Ritschel, Raj K Puri, Radha K Maheshwari
BACKGROUND: Venezuelan equine encephalitis virus (VEEV) is an alphavirus in the family Togaviridae. VEEV causes a bi-phasic illness in mice where primary replication in lymphoid organs is followed by entry into the central nervous system (CNS). The CNS phase of infection is marked by encephalitis and large scale neuronal death ultimately resulting in death. Molecular determinants of VEEV neurovirulence are not well understood. In this study, host gene expression response to highly neurovirulent VEEV (V3000 strain) infection was compared with that of a partially neurovirulent VEEV (V3034 strain) to identify host factors associated with VEEV neurovirulence...
April 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28445538/gene-expression-patterns-associated-with-neurological-disease-in-human-hiv-infection
#12
Pietro Paolo Sanna, Vez Repunte-Canonigo, Eliezer Masliah, Celine Lefebvre
The pathogenesis and nosology of HIV-associated neurological disease (HAND) remain incompletely understood. Here, to provide new insight into the molecular events leading to neurocognitive impairments (NCI) in HIV infection, we analyzed pathway dysregulations in gene expression profiles of HIV-infected patients with or without NCI and HIV encephalitis (HIVE) and control subjects. The Gene Set Enrichment Analysis (GSEA) algorithm was used for pathway analyses in conjunction with the Molecular Signatures Database collection of canonical pathways (MSigDb)...
2017: PloS One
https://www.readbyqxmd.com/read/28445528/baicalein-protects-rat-insulinoma-ins-1-cells-from-palmitate-induced-lipotoxicity-by-inducing-ho-1
#13
Hyun Jeong Kwak, Dongki Yang, Yongha Hwang, Hee-Sook Jun, Hyae Gyeong Cheon
OBJECTIVE: β-Cell dysfunction plays a central role in the pathogenesis of type 2 diabetes (T2D), and the identification of novel approaches to improve β-cell function is essential to treat this disease. Baicalein, a flavonoid originally isolated from the root of Scutellaria Baicalensis, has been shown to have beneficial effects on β-cell function. Here, the authors investigated the molecular mechanism responsible for the protective effects of baicalein against palmitate (PA)-induced impaired β-cell function, and placed focus on the role of heme oxygenase (HO)-1...
2017: PloS One
https://www.readbyqxmd.com/read/28445189/proton-pump-inhibitor-responsive-esophageal-eosinophilia-still-a-valid-diagnosis
#14
Javier Molina-Infante, Pedro L Gonzalez-Cordero, Alfredo J Lucendo
PURPOSE OF REVIEW: To update rapidly evolving concepts regarding the controversial entity of 'proton pump inhibitor (PPI)-responsive esophageal eosinophilia,' referring to patients with clinical, endoscopic and histologic features of eosinophilic esophagitis (EoE) who achieve remission on PPI therapy. RECENT FINDINGS: Up to half of pediatric and adult patients with typical EoE symptoms and histology achieve clinico-pathologic remission on PPI therapy, irrespective of whether esophageal pH monitoring demonstrates abnormal acid reflux...
April 25, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28443471/suppressing-the-molecular-signaling-pathways-involved-in-inflammation-and-cancer-in-breast-cancer-cell-lines-mda-mb-231-and-mcf-7-by-mir-590
#15
Azar Sheikholeslami, Mohammad Nabiuni, Ehsan Arefian
Breast cancer is the most frequent cancer among women worldwide. Tumor immunology suggests relationships between the immune system, chronic inflammation, and cancer. The immune system may either prevent or promote carcinogenesis. Here, we evaluated molecular signaling pathways common in inflammation and cancer and detected the microRNAs which play pivotal roles in mediating these pathways. Using bioinformatics assays, signaling pathways common in inflammation and cancer, and microRNAs mediating these pathways were identified...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28442634/pharmacologic-targeting-erk1-2-attenuates-the-development-and-progression-of-hyperuricemic-nephropathy-in-rats
#16
Na Liu, Liuqing Xu, Yingfeng Shi, Lu Fang, Hongwei Gu, Hongrui Wang, Xiaoqiang Ding, Shougang Zhuang
The pathogenesis of hyperuricemia-induced chronic kidney disease is largely unknown. In this study, we investigated whether extracellular signal-regulated kinases1/2 (ERK1/2) would contribute to the development of hyperuricemic nephropathy (HN). In a rat model of HN induced by feeding mixture of adenine and potassium oxonate, increased ERK1/2 phosphorylation and severe glomerular sclerosis and renal interstitial fibrosis were evident, in parallel with diminished levels of renal function and increased urine microalbumin excretion...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28442507/protein-kinase-stk25-aggravates-the-severity-of-non-alcoholic-fatty-pancreas-disease-in-mice
#17
Esther Nunez Duran, Belen Chanclon, Silva Sütt, Joana Real, Hanns-Ulrich Marschall, Ingrid Wernstedt-Asterholm, Emelie Cansby, Margit Mahlapuu
Characterising the molecular networks that negatively regulate pancreatic β-cell function is essential for understanding the underlying pathogenesis and developing new treatment strategies for type 2 diabetes. We recently identified serine/threonine protein kinase 25 (STK25) as a critical regulator of ectopic fat storage, meta-inflammation, and fibrosis in liver and skeletal muscle. Here, we assessed the role of STK25 in control of progression of non-alcoholic fatty pancreas disease in the context of chronic exposure to dietary lipids in mice...
April 25, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28442310/copd-osa-overlap-syndrome-evolving-evidence-regarding-epidemiology-clinical-consequences-and-management
#18
REVIEW
Walter T McNicholas
Chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea syndrome (OSA) are both highly prevalent, which implies that both disorders occurring together (overlap syndrome) is likely to be common based on chance association alone. However, different clinical COPD phenotypes influence the likelihood of co-existing OSA in that the increased lung volumes and low body mass index (BMI) associated with the predominant emphysema phenotype protects against OSA, whereas the higher likelihood of peripheral edema and increased BMI associated with the predominant chronic bronchitis phenotype promotes OSA...
April 22, 2017: Chest
https://www.readbyqxmd.com/read/28442268/generalized-palisaded-neutrophilic-and-granulomatous-dermatitis-a-cutaneous-manifestation-of-chronic-myelomonocytic-leukemia-a-clinical-histopathological-and-molecular-study-of-three-cases
#19
Birgit Federmann, Irina Bonzheim, Amir S Yazdi, Janine Schmidt, Falko Fend, Gisela Metzler
Palisaded neutrophilic and granulomatous dermatitis (PNGD) is characterized by erythematous papules or plaques on trunk or limbs and is frequently associated with rheumatological, autoimmune or hematological malignancies. Histopathology shows interstitial granulomas composed of epitheloid histiocytes in the reticular dermis with surrounding foci of collagen degeneration and variable neutrophilic inflammation. We report three cases of generalized PNGD associated with chronic myelomonocytic leukemia (CMML), a myelodysplastic/myeloproliferative neoplasm, which may show a variety of cutaneous manifestations...
April 22, 2017: Human Pathology
https://www.readbyqxmd.com/read/28441337/a-study-of-the-differential-effects-of-eicosapentaenoic-acid-epa-and-docosahexaenoic-acid-dha-on-gene-expression-profiles-of-stimulated-thp-1-macrophages
#20
Bénédicte Allam-Ndoul, Frédéric Guénard, Olivier Barbier, Marie-Claude Vohl
Background: An appropriate intake of omega-3 (n-3) fatty acids (FAs) such as eicosapentaenoic and docosahexaenoic acid (EPA/DHA) from marine sources is known to have anti-inflammatory effects. However, molecular mechanisms underlying their beneficial effects on health are not fully understood. The aim of the present study was to characterize gene expression profiles of THP-1 macrophages, incubated in either EPA or DHA and stimulated with lipopolysaccharide (LPS), a pro-inflammatory agent. Methods: THP-1 macrophages were incubated into 10, 50 and 75 µM of EPA or DHA for 24 h, and 100 nM of LPS was added to the culture media for 18 h...
April 25, 2017: Nutrients
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